May 17 (UPI) -- A car explosion killed one and injured five in Palm Springs, Calif., Saturday morning during what local police are calling an "intentional act."

The explosion happened in a parking lot at 1199 N. Indian Canyon about 11 a.m. and damaged several buildings, Palm Springs Police Chief Andy Mills said in a Facebook post.

"The blast appears to be an intentional act of violence," Mills said. "The blast field extends for blocks with several buildings damaged - some severely."

Mills said the "incident appears to be isolated," and FBI investigators are on the scene. The identity of the deceased person is unknown.

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